Stop dealing with messy bash arrays that break on spaces
Shell Scripting / Bash Tricks Stop dealing with messy bash arrays that break on spaces 🧩 The Challenge You’ve probably tried to iterate over a list of filenames and watched...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
-
-
Stop letting your system fall over when the file descriptors run out
Performance Tuning & Kernel Parameters (Sysctl) Stop letting your system fall over when the file descriptors run out 🧩 The Challenge Dealing with a Java app or a heavy-hitting web...
-
Stop digging through journals for boot logs you can’t find
Logging & Journald Stop digging through journals for boot logs you can’t find 🧩 The Challenge Dealing with a server that panicked or rebooted at 3 AM is bad enough,...
-
Stop guessing why your process is stuck in uninterruptible sleep
Process & Resource Monitoring (Top/Htop/Ps/Systemd) Stop guessing why your process is stuck in uninterruptible sleep 🧩 The Challenge You ever see a process sitting there in a D state, chewing...
-
Stop hunting for the last time a user actually logged in
User & Group Management Stop hunting for the last time a user actually logged in 🧩 The Challenge Dealing with audit requests for inactive accounts is a nightmare when you’re...
-
Stop fighting with file permissions that deny your service account
Permissions & Security (Chmod/Chown/ACLs/SELinux/AppArmor) Stop fighting with file permissions that deny your service account 🧩 The Challenge You finally move your app into a subdirectory and suddenly it starts throwing...
-
Stop guessing if your SSH agent has the right keys
SSH & Remote Administration Stop guessing if your SSH agent has the right keys 🧩 The Challenge Dealing with a dozen different SSH keys across multiple clients is a nightmare,...
-
Stop ignoring the silence when your crontab job dies
Cron & Task Scheduling (Cron/Systemd Timers/At) Stop ignoring the silence when your crontab job dies 🧩 The Challenge You’ve got a backup script that runs at 3 AM and for...
-
Stop treating your bootc images like they are just fat containers
Cloud-Native Linux (Cloud-Init, Immutable OS, Bootc) Stop treating your bootc images like they are just fat containers Technical Briefing | 9/27/2026 You probably started playing with bootc because you were...
-
Stop fighting over column alignment in logs
Text Processing (Grep/Sed/Awk) Stop fighting over column alignment in logs 🧩 The Challenge Dealing with log files where the columns are spaced out by a random number of tabs or...